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firefox lagging due to high cpu usage

Hi all, I've been having problems with firefox lagging constantly. General browsing around feels laggy - and opening new tabs pretty much causes my computer to freeze for… (читать ещё)

Hi all,

I've been having problems with firefox lagging constantly. General browsing around feels laggy - and opening new tabs pretty much causes my computer to freeze for a few seconds. During this time firefox causes the CPU to spike to 100% usage.

I've been using firefox for years on this computer with no issues. Hardware is pretty good (i7 5820k, 64GB of ram and an SSD).

So far I have tried:

  • Running in safe mode
  • Using a different profile
  • Downgrading to an older firefox
  • Changing allowed CPU cores from 8, to 4
  • Updated graphic card drivers to latest version

None of these work, and I'm getting a bit tired of the constant slow downs. Chrome works flawlessly, as does all my other software...

Any ideas?

Thanks!

Задан agouranga 1 месяц назад

Дан ответ agouranga 1 месяц назад

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Firefox Sync didn't get everything, how to proceed?

Hi. I am moving my Firefox settings from the old IBM to the new MintBox computer. Both run Linux Mint. Procedure so far followed: 1. Bring over key4.db and logins.json… (читать ещё)

Hi. I am moving my Firefox settings from the old IBM to the new MintBox computer. Both run Linux Mint. Procedure so far followed:

1. Bring over key4.db and logins.json 2. Sign in to Firefox sync and import everything.

Over here I got my custom settings to save all cookies, even third party cookies, for the session. There were Exceptions, which did not come over. (Here I will Allow Always the websites I keep a cookie to log in automatically or set site preferences. I may even blockm certain third party sites from storing cookies. These deviate from the default, to allow for session.)

I did not get the custom thumbs I created over there for my New Tab start page pinned sites. I got the pinned sites OK.


This didn't work: I copied the .mozilla folder from my home and pasted it here by way of a flash driveafter backing up this profile. That didn't work when I brought Firefox up from a Thunderbird Mail link.


So now I looked to see what my Profile folder is called, stored in my home/.thunderbird/firefox/{Profile} as found under Firefox Help > Troubleshooting. I copied that folder onto a flash drive and have it available here.

How best to proceed? First I back .mozilla up, then open Firefox and go to the Troubleshooting page and open my active Profile. Then:

Copy selected files from my Profile over on the Flash drive and paste them individually here?

Delete everything here before pasting in a copy of the contents of the imported profile?

Don't delete anything here and paste contents of my imported file, overwriting?

I am tending to want to go with the first choice, adding or replacing files here with selected files from the imported copy sitting on the flash drive.

Is there a specific list and description of the various profile files I need to paste in? An up-to-date reference containing this info?

[b]Running Linux Mint 19.3 64-bit MATE on the old IBM Running Linux Mint 20 Cinnamon on the new MintBox Mini 2 (Pro)/b

Thank you.

Задан Linux_Mint_Firefox 1 неделю назад

Дан ответ cor-el 1 неделю назад

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Widevine Will Not Install

I have been trying to watch Netflix on Firefox, I made some security changes and at first thought that I may have caused the problem, but now I see that the add-on just f… (читать ещё)

I have been trying to watch Netflix on Firefox, I made some security changes and at first thought that I may have caused the problem, but now I see that the add-on just fails to install. It just keeps the notification that it is installing. Is there a way to fix this issue?

Задан Yossi 3 месяца назад

Дан ответ cor-el 3 месяца назад

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How do I recover bookmarks for a laptop with fried hard drive and download them to a new laptop?

My MacBook Pro hard drive was fried. I have purchased a new laptop. Does Firefox have a backup for those files somewhere "out there" that I can access to download them … (читать ещё)

My MacBook Pro hard drive was fried. I have purchased a new laptop. Does Firefox have a backup for those files somewhere "out there" that I can access to download them into the new computer?

Thanx,

John

Задан jlleidy56 3 месяца назад

Дан ответ jscher2000 3 месяца назад

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non functional Firefox Browser(one laptop only)

System: Windows 10 32-bit laptop Problem: non-responsive UI on one laptop only. This includes inability to configure local options. nothing works. Menus drop down, but… (читать ещё)

System: Windows 10 32-bit laptop

Problem: non-responsive UI on one laptop only. This includes inability to configure local options. nothing works. Menus drop down, but no matter what is selected, the selection does not highlight, menu hides normally but no action is taken by the browser

If I manually type in the url it sits there. no spinning cursor, nothing.

Browser does NOT crash... It simply sits there doing nothing. All other browsers work fine.

What I have done Restart the laptop Double check Firewall permissions Ran a scan before and after installation (0 threats found) Logged in as administrator as well as user account Ran performance monitor nothing alarming noted Uninstall and Reinstall. (Problem still exists)

Задан kyle.rondeau 6 месяцев назад

Дан ответ kyle.rondeau 6 месяцев назад

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Lost all bookmarks after Firefox/Windows update!

Hello Community Do hope someone can help? Have tried all suggestions in Support area on topic: Lost/Recover Bookmarks. Also spoke to Windows Support and was told to call… (читать ещё)

Hello Community

Do hope someone can help?

Have tried all suggestions in Support area on topic: Lost/Recover Bookmarks. Also spoke to Windows Support and was told to call Mozilla Firefox Technical Support. I've been unable to find a number.

I had a Windows update around the same time as a Firefox update, May/June, only realised all saved bookmarks prior to June 2020 have disappeared. This has never happened before.

Urgently need to find out if there's a method of retrievel or have it confirmed that all of these very important bookmarks are permanently lost.

Thank you in advance

Задан Col 3 месяца назад

Дан ответ Col 3 месяца назад

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Backing up from an older version

Ok, thanks, finally human help! I just had to change my pc and make a fresh install of the operating system. I used Linux mint on the last pc, and have Linux MX 18.3 on t… (читать ещё)

Ok, thanks, finally human help! I just had to change my pc and make a fresh install of the operating system. I used Linux mint on the last pc, and have Linux MX 18.3 on the new one, currently in use. I took the precaution of copying my Firefox and Thunderbird folders from the old hard drive, as I have several years worth of bookmarks organised in to folders, irreplaceable. This was the way I had preserved that information in previous changes, and swapping the old folders with those in a new install worked fine. But now i find the new version has changed and the files differ and cannot therefore be swapped. I don't really want to get into blaming or how disappointed and annoyed I am, as this won't be the fault of the person helping, and that is appreciated. But back ups need to be backwards compatible or there is no point? So, not sure which version I had, but will have been a couple of years old with updates. In my 'etc' folder there was a Firefox folder, and in that I have a folder marked pref. In that folder there is a file named apturl.js and I have saved those folders. With my new install there is not even a folder for 'firefox' in my 'etc' folder. How do I proceed to restore my bookmarks? If I need to install and older Firefox version I will do so. Many thanks, Tony

Задан shantiwaters 2 недели назад

Дан ответ cor-el 2 недели назад

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Computer does not remember my bank details

I have the option on the page openning my bank account to remember my customer number and DOB. I tick the option but it is never remembered . I suspect I have chosen an o… (читать ещё)

I have the option on the page openning my bank account to remember my customer number and DOB. I tick the option but it is never remembered . I suspect I have chosen an option in Firefox that causes this but I do not know which option. Barry Cross

My email is" cross.barry@gmail.com"

Задан cross.barry 3 недели назад

Дан ответ cor-el 3 недели назад

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Firefox Sept. 22nd Update and Blackboard Compatability

Hi guys! I'm a college student and my university uses Blackboard as a way to access our courses. Unfortunately, my Firefox has been breaking and not loading all of my cou… (читать ещё)

Hi guys!

I'm a college student and my university uses Blackboard as a way to access our courses. Unfortunately, my Firefox has been breaking and not loading all of my courses. My university tech support is no help and they told me to contact Blackboard and Blackboard told me to use Google Chrome. I already installed Chrome so I can use it temporarily to do my coursework but I really don't want to use it permanently, I have my computer set up exactly how I like it and I prefer to use Firefox.

I think the problem started around when the September 22nd update for Firefox was automatically installed. Some things I've tried to fix the issue are: 1. Fresh install of Windows using the Razer Blade's recovery to factory default; 2. Update Windows to latest version (except the 2004 feature update, it causes my laptop to black screen on bootup); and 3. Fresh install of Firefox and changing my privacy settings to standard rather than the strict settings I usually use.

I didn't want to install an older version of Firefox because of all the warnings on the webpage, but I'm really not sure what else I can do. Has anyone else had this happen? Any fixes?

Задан Aaron 3 недели назад

Дан ответ packetson2 3 недели назад

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Firefox Lockwise

I have a question about Lockwise and the integration of Monitor. It is claimed that since version 76, Firefox alerts for vulnerable passwords and breaches. In this arti… (читать ещё)

I have a question about Lockwise and the integration of Monitor.

It is claimed that since version 76, Firefox alerts for vulnerable passwords and breaches.

In this article it is explained that Lockwise scans the stored passwords and warns if one of the passwords is identical to one leaked online as well as that it shows breach alerts for sites that have experienced security breaches.

I have Firefox 79, but I don't seem to get either behavior. I can see breaches for my email addresses in Monitor (where I had to manually add the email addresses). But I don't see anything in Lockwise. See the image below, for example. I created a password "abcde" for the website and nowhere does firefox tell me it's "vulnerable" or that it's been exposed elsewhere (it should at least say it's a terribly bad password).

I entered the "abcde" password in the Bitwarden plugin and it tells me (unsurprisingly) the password has been exposed "46564 times in data breaches".

This brings me to a second question: If Lockwise is unable to automatically show a warning if a password has been exposed/is vulnerable, is there an easy way to check that manually (and securely)? Bitwarden has the checkmark button right next to the password, which allows me to quickly check if a password has been exposed. Any way to replicate this in Lockwise? (To be honest, I would prefer the way it is supposed to work in Lockwise with a banner been shown automatically, instead of manually having to click, but it doesn't seem to work.)

Задан Jan 2 месяца назад

Дан ответ spelled.with.k 2 месяца назад

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Change pdf viewer background color (both sides of the pdf) to dark

Hey there, awesomes! I'd like to change my Firefox pdf viewer's background color (both sides of the pdf) to dark, currently it shows light gray (see `background_bg.png`)… (читать ещё)

Hey there, awesomes! I'd like to change my Firefox pdf viewer's background color (both sides of the pdf) to dark, currently it shows light gray (see `background_bg.png`). And here is effect I want it to look like (see screenshot from Chrome `wished_bg.png`). Thanks in advance (:

PS: I don't want to change my theme to dark. It seems I have to change my css, but I dunno which & how.

Задан Mark Taylor 4 недели назад

Дан ответ jscher2000 4 недели назад

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Http Requests timeout in version 81

I have a website which makes ajax requests to some endpoints which can take more than a minute (depending on how busy the server might be). In the recent version of firef… (читать ещё)

I have a website which makes ajax requests to some endpoints which can take more than a minute (depending on how busy the server might be). In the recent version of firefox (81), it seems like after about a minute, the request appears to time out without an error message. I checked against other browsers and none seem to have the same issue.

Was this behavior expected out of version 81? I don't see anything in the release notes about this kind of change.

Задан lf_kb 3 недели назад

Дан ответ lf_kb 3 недели назад

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Restore bookmarks isn't working

I just updated to windows 10, before I did I backed up my files on my firefox bookmark account. I went to to the restore thing, I saw all my stuff for a moment but after … (читать ещё)

I just updated to windows 10, before I did I backed up my files on my firefox bookmark account. I went to to the restore thing, I saw all my stuff for a moment but after accepting the restore I can't get it to show. I still have my one Restore March, 31st option with 11 items appearing but nothing happens.

Задан Yield 6 месяцев назад

Дан ответ jscher2000 6 месяцев назад

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Pinned tabs disappear

If I open two windows of Firefox, pin tabs in the first, close it and then close the second window, my tabs disappear. In order to use this feature one must work with onl… (читать ещё)

If I open two windows of Firefox, pin tabs in the first, close it and then close the second window, my tabs disappear. In order to use this feature one must work with only one instance of Firefox?

Задан soljeni 4 месяца назад

Дан ответ cor-el 4 месяца назад

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Regarding " Guest Mode ", & "Private Browsing " in Forefox Browser

Respected Sir/Madam, I would like to know,Why, Mozilla Firefox Staff,have NOT provided," Guest Mode " in their browser. Even though,I am using the latest & most updat… (читать ещё)

Respected Sir/Madam, I would like to know,Why, Mozilla Firefox Staff,have NOT provided," Guest Mode " in their browser. Even though,I am using the latest & most updated version of the same,I can NOT find it,though Google Chrome & Microsoft Edge are already providing us,these options. 2) What is the Exact Difference between these 2 modes of browsing.Which is MOST SAFE,HOW? Can you please email the Merits & Demerits of both to me,as,I want to learn. Requesting herewith for a clear cut & Candid reply,& thanking you, Shrineevas

Задан Shrineevas Sant 1 месяц назад

Дан ответ cor-el 1 месяц назад